Cheap flights from Montreal to Lisbon from $326

In general, February is the cheapest month to fly from Montreal to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $514. If you are unable to visit Lisbon during the month of February, then departing from Montreal during the month January is also very affordable. Most momondo users find prices during this month for around $517.

Our data shows that Monday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $673. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Montreal to Lisbon for around $754.

Fly from Montreal Pierre Elliott Trudeau Intl to Lisbon Humberto Delgado for the best Montreal - Lisbon Humberto Delgado flight prices

You are more likely to see cheaper flights to Lisbon from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $605 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Montreal for as low as $590 on momondo.

There are 3 cabin classes available to choose from on Montreal to Lisbon Humberto Delgado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 41% on your flight if you consider stops on a Montreal to Lisbon flight.

Air Transat and Porter Airlines are the most popular carriers operating from Montreal to Lisbon Humberto Delgado

Air Transat, TAP AIR PORTUGAL and Air Canada are the top three most popular airlines that fly to Lisbon from Montreal according to our data. Air Transat is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 7 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

Historically, on average around 27% of flights between Montreal and Lisbon have experienced a delay on any given week. The average delay length over the past 12 months has been 124 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Air Canada have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

London (LHR) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Flights via London (LHR) offer the lowest average round-trip price of $514.

Flights connecting via Ponta Delgada (PDL) have the shortest average one-way travel time: 9h 45m.

Paris (CDG) has the shortest average layover time for this route: 1h 20m.

As of March 2026, 1 flights take off from Montreal and land in Lisbon each day. The most common flight departure time for this route is 10:00PM, with 100% of daily flights taking off in the evening.

The number of flights available between Montreal and Lisbon is 9 per week as of March 2026. The most frequent departure day is Tue, with 33% of weekly flights leaving on this day.